/Engine/Source/Developer/AssetTools/Public/IAssetTools.h
Copies files after the final set of maps of sources and destinations was confirmed
bool AdvancedCopyPackages ( const [FAdvancedCopyParams](API\Developer\AssetTools\FAdvancedCopyParams) & CopyParams, const [TArray](API\Runtime\Core\Containers\TArray)< [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString) >> & PackagesAndDestinations ) const